Home / 18,749.40-25,874.98-10,791.66

Finding the Fourth Proportional to 18,749.40, 25,874.98 and 10,791.66

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Solution

The fourth proportional to 18,749.40, 25,874.98 and 10,791.66 is: 14,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.40 : 25,874.98 = 10,791.66 : x
  2. Step 2: Convert to fraction form
    18,749.40/25,874.98 = 10,791.66/x
  3. Step 3: Cross multiply
    18,749.40x = 25,874.98 × 10,791.66
  4. Step 4: Simplify right side
    18,749.40x = 279,233,986.67
  5. Step 5: Solve for x
    x = 279,233,986.67/18,749.40
  6. Step 6: Final answer
    x = 14,892.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.